Submission #999315

#	Time	Username	Problem	Language	Result	Execution time	Memory
999315		MilosMilutinovic	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	100 / 100	1 ms	600 KiB

treasure

#include "treasure.h"
#include <bits/stdc++.h>
 
using namespace std;

const int MAX = 111;

int val[MAX][MAX];
 
void findTreasure(int N) {
  int mid = (N + 1) / 2;
  for (int i = N; i >= 1; i--) {
    for (int j = N; j >= 1; j--) {
      if (i >= mid && j >= mid) {
        val[i][j] = countTreasure(1, 1, i, j);
      } else if (i >= mid && j < mid) {
        val[i][j] = val[i][N] - countTreasure(1, j + 1, i, N);
      } else if (i < mid && j >= mid) {
        val[i][j] = val[N][j] - countTreasure(i + 1, 1, N, j);
      } else {
        val[i][j] = -(val[N][N] - val[i][N] - val[N][j] - countTreasure(i + 1, j + 1, N, N));
      }
    }
  }
  for (int i = 1; i <= N; i++) {
    for (int j = 1; j <= N; j++) {
      int c = val[i][j] - val[i - 1][j] - val[i][j - 1] + val[i - 1][j - 1];
      if (c == 1) {
        Report(i, j);
      }
    }
  }
}

• Subtask 1: 100 / 100